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Write a short note 'Seven segment display'.

Important Questions on Electricity

MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances

What is the advantage of an LED bulb over filament bulb?

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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
What characteristics should a fuse wire have?
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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
1 horse power (HP) is equal to:
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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Why is fuse wire always placed in a live circuit?
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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances

An electric bulb is connected to a 240 V generator. The current is 0.65 A. What is the power of the bulb?

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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances

Identify the electronic components from the following symbols. Write any one difference between them.

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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances

List some devices where seven segment display is used.

MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
What you mean by LED? draw the symbol of it.
MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Why LED consumes less power as compared to traditional lamps?
MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
What is a filter capacitor and how it is used in LED?
MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Avani’s family uses filament bulbs at home while Om’s family uses LED bulbs. Which family will save more electricity? Write five other ways to save electricity.
MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Explain why LED consumes less power than a bulb?
EASY
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
List some advantages of LED television.
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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances

Seven segment display form the digit 8.

MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Write two advantages of LED over conventional incandescent lamps.
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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Mention various uses of LEDs.
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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Write a short note on LED televisions.
MEDIUM
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
Which of the following is not a true statement regarding LEDs?
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Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances
LED television uses less power and consumes very less energy.
EASY
Science>Physics>Electricity>Domestic Electric Circuits and Modern Electric Appliances

Draw the diagram for 'Seven segment display'.